While playing your game, press B to display the communication panel, type "cisco sez", then press [Enter] to enable cheat mode. Press B to display the communication panel, enter one of the following codes, then press [Enter] to activate the corresponding cheat function:

Effect	Code
Change targeted sub or ship to be friendly	be my buddy
Destroy selected target	boom
Display all targets on sonar	see them
Invisible to opponents	engage cloaking device
Repair damage	heal me
Stop submarine	drop anchor
Submarine can fly	zepplin
Super torpedo	eat lead
Turn submarine around	flip her